Question

blade n.刀刃；刀锋；桨叶；叶片 (1) 这刀刃需要磨一磨。(2) 刀刃把他的腿划破了。(3) 刀锋有几个地方缺口。(4) 螺旋桨叶由柴油发动机驱动。(5) 电扇的叶片上全是灰尘。 Knives, swords, and razors have blades, metal edges so fine and thin that they can cut and slice. The shoulder bone is sometimes called a "shoulder blade," and a piece of grass is also a blade. In fact, the original meaning of the Old English blæd was "leaf," and then "something resembling a leaf." In the 14th century, the word was applied to swords, based on their shape — similar to a leaf or blade of grass.

Accepted Answer

英 [bleɪd] 美 [bleɪd] (1) The blade needs sharpening.(2) The blade slashed his leg open.(3) The blade is chipped in a few places.(4) The propellar blade is powered by a diesel engine.(5) The blade of the electric fan is covered with dust. A blade is a very sharp metal edge of a tool. A good cooking knife should have its blade sharpened regularly. 1[N-COUNT 可数名词]刃；锋 The blade of a knife, axe, or saw is the edge, which is used for cutting. Many of these tools have sharp blades, so be careful.这些工具中很多都有锋利的刀片，务必小心。2[N-COUNT 可数名词]（螺旋桨的）叶片 The blades of a propeller are the long, flat parts that turn round.   [usu pl]3[N-COUNT 可数名词]桨叶 The blade of an oar is the thin flat part that you put into the water. 4[N-COUNT 可数名词]（草的）叶片 A blade of grass is a single piece of grass. 5See also:razor blade；shoulder blade. rotor blade；  →see: rotor；

英语单词	blade
英美音标	英 [bleɪd] 美 [bleɪd]
中文释义	n.刀刃；刀锋；桨叶；叶片
英语例句	(1) The blade needs sharpening. (2) The blade slashed his leg open. (3) The blade is chipped in a few places. (4) The propellar blade is powered by a diesel engine. (5) The blade of the electric fan is covered with dust.
中文例句	(1) 这刀刃需要磨一磨。 (2) 刀刃把他的腿划破了。 (3) 刀锋有几个地方缺口。 (4) 螺旋桨叶由柴油发动机驱动。 (5) 电扇的叶片上全是灰尘。
vocabulary简明	A blade is a very sharp metal edge of a tool. A good cooking knife should have its blade sharpened regularly.
vocabulary扩展	Knives, swords, and razors have blades, metal edges so fine and thin that they can cut and slice. The shoulder bone is sometimes called a "shoulder blade," and a piece of grass is also a blade. In fact, the original meaning of the Old English blæd was "leaf," and then "something resembling a leaf." In the 14th century, the word was applied to swords, based on their shape — similar to a leaf or blade of grass.
柯林斯解释	1 [N-COUNT 可数名词]刃；锋 The blade of a knife, axe, or saw is the edge, which is used for cutting. Many of these tools have sharp blades, so be careful. 这些工具中很多都有锋利的刀片，务必小心。 2 [N-COUNT 可数名词]（螺旋桨的）叶片 The blades of a propeller are the long, flat parts that turn round. [usu pl] 3 [N-COUNT 可数名词]桨叶 The blade of an oar is the thin flat part that you put into the water. 4 [N-COUNT 可数名词]（草的）叶片 A blade of grass is a single piece of grass. 5 See also:razor blade ；shoulder blade. rotor blade ； →see: rotor ；

Blade N Count 可数名词 Sharp Metal Swords Thin Piece